Waves Amplify

Which of the following can waves transfer energy through?

• solid

• liquid

• gas

• empty space

• all of the above

Tags

NGSS.MS-PS4-2

What is the number of complete waves passing a fixed point in a given amount of time?

• Amplitude

• Intensity

• Wavelength

• Frequency

What is the frequency of this wave? You must count the number of complete waves.

• 1 Hz

• 5 Hz

• 10 Hz

Tags

NGSS.MS-PS4-1

What is frequency measured in?

• Milliseconds

• Miles

• Hertz

• Kilograms

Tags

NGSS.MS-PS4-1

Which type of waves have the longest wavelength?

• Visible light

• Radio waves

• X-rays

• Gamma-Rays

What are the two types of waves?

• longitudinal and transverse

• sound and light

Tags

NGSS.MS-PS4-1

What is the principle behind the amplification of sound waves in a megaphone?

• Reflection of sound waves

• Refraction of sound waves

• Diffraction of sound waves

• Resonance of sound waves

Which of the following devices uses wave amplification to function?

• Telescope

• Microphone

• Amplifier

• Thermometer

In the context of wave amplification, what does the term 'gain' refer to?

• The speed of the wave

• The increase in wave amplitude

• The frequency of the wave

• The wavelength of the wave

Tags

NGSS.MS-PS4-1

Which phenomenon is responsible for the amplification of light waves in a laser?

• Stimulated emission

• Spontaneous emission

• Absorption

• Diffraction

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-5